Ivanka Trump has made her debut in a Senate Democratic campaign ad, after Doug Jones used her comment about people who 'prey on children' to condemn rival Republican Roy Moore.

The president's daughter made the statement last week, at a time the president had yet to personally condemn Moore or comment on his accusers – something that still has not happened.

'There is a special place in hell for people who prey on children,' Ivanka said as the number of accusers agains the Republican Senate candidate from Alabama continued to rise.

'I've yet to see a valid explanation, and I have no reason to doubt the victims' accounts,' she said, in a comment that sided with Moore's accusers over the defiant candidate, who vehemently denies their version of events.

Ivanka Trump's statement about Roy Moore's accusers play prominently in a new ad for Doug Jones, Moore's Democratic opponent

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The quote is shown in large white letters on a simple black background in Jones' new ad.

'On Roy Moore's disturbing actions, Ivanka Trump says there is a special place in hell for people who prey on children,' an announcer says as the ad begins.

'Jeff Sessions says 'I have no reason to doubt these women,'' the ad continues – using a quote the nation's top law enforcement official made while testifying before the House Judiciary Committee.

Sessions needs little introduction in Alabama. He gave up the Senate seat being sought by Moore in order to join the Trump Administration.

The ad lauds conservative voices for 'doing what's right'

The ad also invokes Attorney General Jeff Sessions

Alabama Republican Senate candidate Roy Moore is accused of preying on young girls during the late 1970s and early 1980s

Ivanka Trump is a White House advisor who has taken up a role in tax reform and other issues. Her words are now being used in an Alabama Senate race

It then quotes Alabama Sen. Richard Shelby saying he will 'absolutely not vote for Roy Moore.'

'Conservative voices putting children and women over party, doing what's right,' says the narrator, as solemn music plays and the camera pans a shot of Moore's many accusers.

Ivanka statement about Moore's accusers is just one of many voices inside the administration grappling for the best approach.

Trump hasn't issued his own comment on the allegations, leaving it to his press secretary even as senior Republicans call for Moore to 'step aside.'